Premium Light Birch Rigid Plank Flooring: 1219.2x228.6 mm, 7.5 mm thick, I4F click system. Light birch wood tone, strong, easy clean. Give indoor space bright, natural wood-plank look. Length - 1219.2mm Width - 228.6mm Thickness - 7.5mm Check: 4 planks x 0.2787 sq m = 1.11 sq m per box. Match.